Solved papers for Manipal Medical Manipal Medical Solved Paper-2002

done Manipal Medical Solved Paper-2002

  • question_answer1) A car is moving at a speed of 72 km/hr. The diameter of its wheels is 0.5 m. If the wheels are stopped in 20 rotations applying brakes. Then angular retardation produced by the brake is:

    A) \[-45.5\text{ }rad/{{s}^{2}}\]

    B) \[-33.5\text{ }rad/{{s}^{2}}\]

    C) \[-29.5\text{ }rad/{{s}^{2}}\]

    D) \[-25.5\text{ }rad/{{s}^{2}}\]

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  • question_answer2) A bullet is fired from the gun with a speed of 1000 m/s m order to hit a target. s = 100 m away. At what height above the target should by gun be aimed? (The resistance of air is negligible and\[g=10\text{ }m/{{s}^{2}}\])

    A) 23 cm

    B) 15 cm

    C) 9 cm

    D) 5 cm

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  • question_answer3) If the cofficient of friction of a plane inclined at\[45{}^\circ \]is 0.5. Then acceleration of a body sliding freely on it will be:

    A) \[\frac{9.8}{1\sqrt{2}}m/{{s}^{2}}\]

    B) \[\frac{9.8}{\sqrt{2}}m/{{s}^{2}}\]

    C) \[9.8\text{ }m/{{s}^{2}}\]

    D) \[4.8\text{ }m/{{s}^{2}}\]

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  • question_answer4) Assuming earth to be sphere of uniform density what is the value of acceleration due to gravity at a point 100 km below the earth surface (Given\[R=6380\times {{10}^{3}}m\])

    A) \[3.10\text{ }m/s\]

    B) \[5.06\text{ }m/{{s}^{2}}\]

    C) \[7.64\text{ }m/{{s}^{2}}\]

    D) \[9.66\text{ }m/{{s}^{2}}\]

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  • question_answer5) Plancks constant has same dimension as:

    A) angular momentum

    B) linear momentum

    C) force

    D) energy

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  • question_answer6) The mass of ship is\[2\times {{10}^{7}}kg\]. On applying a fore of\[25\times {{10}^{5}}N,\]it is displaced through 25 m. After the displacement. The speed aquired by the ship will be:

    A) 12.5 m/s

    B) 5m/s

    C) 3.7 m/s

    D) 2.5 m/s

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  • question_answer7) A 500 kg car takes around turn of radius 50 m with a speed of 36 km/hr. The centripetel force acting on the car will be:

    A) 1200 N

    B) 1000 N

    C) 750 N

    D) 250 N

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  • question_answer8) An apple gives 21 kJ energy to a boy. How much height he can climb by using this energy. If his efficiency is 28%? (mass of boy 40 kg)

    A) 22.5 m

    B) 15 m

    C) 10 m

    D) 5 m

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  • question_answer9) Mass of the moon is\[\frac{1}{81}\]times that of earth and its radius is\[\frac{1}{4}\]. the radius of earth and the escape velocity at die surface of the earth is 11.2 km/sec:

    A) 2.5km/s

    B) 5km/s

    C) 1.25km/s

    D) 0.25km/s

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  • question_answer10) The moment of inertia of a body about a given axis 1.2 kg m2. To produce rotational K.E. of 1500 J an angular acceleration of\[25\text{ }rad/se{{c}^{2}}\]must be applied about that axis for:

    A) 10 sec

    B) 8 sec

    C) 2 sec

    D) 4 sec

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  • question_answer11) A moving body of mass m and velocity 3 km/hr. Collides with a body at rest and of mass 2m and then sticks to it. Now the combined mass starts to move, then the combined velocity will be:

    A) 4 km/hr

    B) 3 km/hr

    C) 2 km/hr

    D) 1 km/hr

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  • question_answer12) A 120 m long train is moving towards west with a speed of 10 m/s. A bird flying towards east with a speed of 3 m/s crosses the train. The time taken by the bird to cross the train will be:

    A) 16 sec

    B) 12 sec

    C) 10 sec

    D) 8 sec

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  • question_answer13) The velocity of all radio waves in free space is \[3\times {{10}^{8}}\]m/s. The frequency of a radio wave of wavelength 150 m is:

    A) 20 kHz

    B) 2 kHz

    C) 2 MHz

    D) 1 MHz

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  • question_answer14) A boy of 50 kg is standing in a left moving down with an acceleration\[9.8\text{ }m/{{s}^{2}}\]. The apparent weight of the boy is:

    A) \[\frac{50}{9.8}N\]

    B) \[50\times 9.8N\]

    C) 50 N

    D) zero

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  • question_answer15) A particle executing SHM has amplitude 0.01 and frequency 60 Hz. The maximum acceleration of the particle is:

    A) \[60\text{ }{{\pi }^{2}}\text{ }m/{{s}^{2}}\]

    B) \[88\,{{\pi }^{2}}m/{{s}^{2}}\]

    C) \[140\,{{\pi }^{2}}m/{{s}^{2}}\]

    D) \[144\,{{\pi }^{2}}m/{{s}^{2}}\]

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  • question_answer16) If the equation of motion of standing waves is \[y=0.3\text{ }sin(314\text{ }t-1.57\text{ }x),\]then the velocity of standing wave will be:

    A) 400 m/s

    B) 300 m/s

    C) 200in/s

    D) 100 m/s

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  • question_answer17) In a thermodynamics process pressure of a fixed mass of a gas is changed in such a manner that the gas molecule give out 30 joule of heat and 10 joule of work is done on the gas. If the initial internal energy of the gas was 40 joule, then the final internal energy will be:

    A) \[-20J\]

    B) \[20J\]

    C) \[80J\]

    D) \[3J\]

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  • question_answer18) A black body is heated from\[27{}^\circ C\]to\[927{}^\circ C\] the ratio of radiations emitted will be:

    A) 1:256

    B) 1:64

    C) 1:16

    D) 1: 4

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  • question_answer19) The efficiency of a Cannot engine operating with reservoir temperature of \[100{}^\circ C\] and\[-23{}^\circ C\]will be:

    A) \[\frac{100-23}{373}\]

    B) \[\frac{100+23}{373}\]

    C) \[\frac{100+23}{100}\]

    D) \[\frac{100-23}{100}\]

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  • question_answer20) A body cools from\[60{}^\circ C\]to\[50{}^\circ C\]in 10 minutes. If the room temperature is\[25{}^\circ C\] and assuming newtons law of cooling to hold good, the temperature of the body at the end of the next 10 minutes will be:

    A) \[45{}^\circ C\]

    B) \[42.85{}^\circ C\]

    C) \[40{}^\circ C\]

    D) \[38.5{}^\circ C\]

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  • question_answer21) A particle having charge 100 times that of an electron is revolving in a circular path of radius 0.8 m with one rotation per second. Magnetic field produced at center of particle is:

    A) \[{{10}^{-17}}{{\mu }_{0}}\]

    B) \[{{10}^{-11}}{{\mu }_{0}}\]

    C) \[{{10}^{-7}}{{\mu }_{0}}\]

    D) \[{{10}^{-3}}{{\mu }_{0}}\]

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  • question_answer22) A galvanometer can be changed into ammeter by connecting:

    A) high resistance in parallel

    B) high resistance m series

    C) low resistance in parallel

    D) low resistance in series

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  • question_answer23) A prism has a refracting angle\[60{}^\circ \]. A ray of given monochromatic light suffers minimum deviation of \[38{}^\circ \] in passing through prism refractive index of the material of prism is:

    A) 1.5094

    B) 1.3056

    C) 0.7849

    D) 2.425

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  • question_answer24) A metal corn is at the bottom of a beaker filled with a liquid of refractive index 4/3 to height of 6 cm. To an observer looking from above the surface of the liquid, coin will appear at a depth of:

    A) 7.5 cm

    B) 6.75 cm

    C) 4.5 cm

    D) 1.5 cm

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  • question_answer25) An astronomical telescope has two lenses of focal powers 0.5 D and 20 D. Then its magnifying power will be:

    A) 8

    B) 20

    C) 30

    D) 40

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  • question_answer26) The peak value of AC voltage on a 220V mains is:

    A) \[240\sqrt{2}V\]

    B) \[230\sqrt{2}V\]

    C) \[220\sqrt{2}V\]

    D) \[200\sqrt{2}V\]

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  • question_answer27) A resistance of a galvanometer\[G=6\,\Omega \] maximum current of 2 amp is measured by it. Then required resistance to convert it into an ammeter reading up to 6 A, will be:

    A) \[5\,\Omega \]

    B) \[4\,\Omega \]

    C) \[3\,\Omega \]

    D) \[2\,\Omega \]

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  • question_answer28) Two copper wires are of same length one of the twice as thick as the other. Then the resistance of the two wires are in the ratio of:

    A) 1:16

    B) 1:8

    C) 1:4

    D) 1:2

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  • question_answer29) A hot electric iron has a resistance of 80 n and is used on a 200 V source. The electrical energy spent, if it is used for hr, will be:

    A) 8000Wt

    B) 2000Wt

    C) 1000Wt

    D) 800Wt

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  • question_answer30) In the given network capacitance\[{{C}_{2}}=10\mu F,{{C}_{1}}=5\mu F\]and\[{{C}_{3}}=4\mu F\]. The resultant capacitance between P and Q will be:

    A) \[4.7\mu F\]

    B) \[1.2\mu F\]

    C) \[3.2\mu F\]

    D) \[2.2\mu F\]

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  • question_answer31) The primary of a stepdown. Transformer used for ringing door bell has 2000 turns of fine wire and the secondary has 100 turns. The transformer when connected to 110 V AC source will deliver at its secondary at a potential difference of:

    A) 5.5V

    B) 11V

    C) 55V

    D) 220V

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  • question_answer32) From a point charge, there is a fixed point A. At A, there is an electric field of 500 volt/meter and potential difference of 3000 V. Distance between the point charge and A is:

    A) 24m

    B) 16m

    C) 12m

    D) 6m

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  • question_answer33) In the inductive circuit given in the figure, the currents rises after the switch is closed. At instant when the current is 15 mA, then potential difference across the inductor will be:

    A) zero

    B) 240 V

    C) 180V

    D) 60V

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  • question_answer34) From resistances of 100 ohm each are connected in the form of a square. The effective resistance along the diagonal points P R is:

    A) \[100\,\Omega \]

    B) \[180\,\Omega \]

    C) \[220\,\Omega \]

    D) \[440\,\Omega \]

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  • question_answer35) 700 pF capacitor is charged by 50 V battery. Electrostatic energy is stored by it will be:

    A) \[17.0\times {{10}^{-8}}J\]

    B) \[13.0\times {{10}^{-9}}J\]

    C) \[8.7\times {{10}^{-7}}J\]

    D) \[6.7\times {{10}^{-7}}J\]

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  • question_answer36) An aeroplane having a wing space of 35 m flies due north with the speed of 90 m/s given \[B\text{ }4\times {{10}^{-5}}\]tesla. The potential difference between the tips of the wings will be:

    A) 0.013 V

    B) 1.26 V

    C) 12.6V

    D) 0.126V

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  • question_answer37) Two coils have mutual inductance 0.005 H. The current changes in the first coil according to equation\[I={{I}_{0}}\sin \omega t\]. where\[{{I}_{0}}=10\]amp and \[\omega =100\text{ }\pi \] rad/sec. The maximum value of emf in the second coil is:

    A) \[12\,\pi \]

    B) \[8\,\pi \]

    C) \[5\,\pi \]

    D) \[2\,\pi \]

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  • question_answer38) A radioactive element has half life of 3.6 days. In what time will it be left 1/32nd undecayed?

    A) 4 days

    B) 12 days

    C) 18 days

    D) 24 days

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  • question_answer39) In a p type semiconductor gerpanium is doped with:

    A) gallium

    B) aluminium

    C) boron

    D) all of above

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  • question_answer40) The wavelength associated with an electron accelerated through a potential difference of 100 V is of the order of:

    A) \[1.2\overset{o}{\mathop{\text{A}}}\,\]

    B) \[10.5\overset{o}{\mathop{\text{A}}}\,\]

    C) \[100\overset{o}{\mathop{\text{A}}}\,\]

    D) \[1000\overset{o}{\mathop{\text{A}}}\,\]

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  • question_answer41) A stone is tied to one end of a spring 50 cm long is whirled in a horizontal circle with a constant speed. If the stone makes 10 revolutions in 20 second. The magnitude of acceleration of stone will be:

    A) \[990\,cm/{{s}^{2}}\]

    B) \[860\,cm/{{s}^{2}}\]

    C) \[720\,cm/{{s}^{2}}\]

    D) \[493\,cm/{{s}^{2}}\]

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  • question_answer42) A straight conductor of length 4m moves at a speed of 10 m/s. When the conductor makes an angle of\[30{}^\circ \]with the direction of magnetic field of induction of 0.1 wb. per\[{{m}^{2}}\]then induced emf. is:

    A) 8V

    B) 4V

    C) 1V

    D) 2V

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  • question_answer43) The work function for aluminium surface is 4.2 eV. The cutoff wavelength for photoelectric effect is:

    A) \[1000\overset{o}{\mathop{\text{A}}}\,\]

    B) \[2000\overset{o}{\mathop{\text{A}}}\,\]

    C) \[2955\overset{o}{\mathop{\text{A}}}\,\]

    D) \[4200\overset{o}{\mathop{\text{A}}}\,\]

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  • question_answer44) The ionisation potential of hydrogen atom is 13.6 volt. In the lowest energy level, this atom is ionised by absorbing a photon of\[800\overset{o}{\mathop{\text{A}}}\,\]. The kinetic energy of the released electron will be:

    A) 15.51 eV

    B) 2.91 eV

    C) 13.6 eV

    D) 1.91 Ev

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  • question_answer45) Penetrating power is minimum for:

    A) X-rays

    B) \[\gamma -\]rays

    C) \[\beta -\]rays

    D) \[\alpha -\]rays

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  • question_answer46) The functions of moderators in nuclear reactor is to:

    A) decrease the speed of neutrons

    B) increase the speed of neutrons

    C) decrease the speed of electrons

    D) increase the speed of electrons

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  • question_answer47) A chain reaction in fission of uranium is possible, because:

    A) Two intermediate sized nuclear fragments are formed

    B) Three neutrons are given out in each fission

    C) fragments in fission are radioactive

    D) large amount of energy is released

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  • question_answer48) A nuclei X with mass number A and charge number Z, disintegrates into one\[\alpha -\]particle and one\[\beta -\]particle. The resulting nuclide R has atomic mass and atomic number, equal to:

    A) (A - Z) and (Z - 1)

    B) (A - Z) and (Z - 2)

    C) (A -4) and (A -2)

    D) (A-4) and (Z - 1)

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  • question_answer49) Two inductors each of inductance L are joined in parallel. Their equivalent inductance will be:

    A) zero

    B) \[\frac{L}{2}\]

    C) L

    D) \[2L\]

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  • question_answer50) What will be the amount of energy absorbed when an electron jumps from first orbit to second orbits? (If the value of energy m nth orbit of N-atom is expressed as\[\left. E=-\frac{13.6}{{{n}^{2}}}eV \right)\]

    A) \[-3.4eV\]

    B) \[-6.6eV\]

    C) \[-8.1eV\]

    D) \[-10.2eV\]

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  • question_answer51) The number of neutrons in the element\[_{4}B{{e}^{9}}\]is:

    A) 3

    B) 5

    C) 7

    D) 9

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  • question_answer52) The first ionisation potential of\[Na,Mg,Al\]and\[Si\]are in the order:

    A) \[Na<Mg<Al<Si\]

    B) \[Na<Al<Mg<Si\]

    C) \[Na>Mg>Al>Si\]

    D) \[Na<Si<Al<Mg\]

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  • question_answer53) Which of the following is not a colligative property?

    A) Depression in freezing point

    B) Osmotic pressure

    C) Elevation of boiling point

    D) Increase in freezing point

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  • question_answer54) The main product obtained from phenol with \[PC{{l}_{5}}\] is:

    A) BHC

    B) hexachlorobenzene

    C) chlorobenzene

    D) triphenyl phosphate

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  • question_answer55) 50 ml. of\[{{H}_{2}}S{{O}_{4}}\]require 10 gm\[CaC{{O}_{3}}\]for complete decomposition. The normality of acid is:

    A) 2

    B) 0.30

    C) 4

    D) 0.20

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  • question_answer56) The isomerism represented by ethyl acetoacetate is:

    A) keto-enol isomerism

    B) geometrical isomerism

    C) enantiomerism

    D) diasterioisomerism

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  • question_answer57) The compound that does not produce blue colour in Lassaignes test is:

    A) urea

    B) hydrazine

    C) aniline

    D) glycine

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  • question_answer58) No evolution of oxygen takes place by the reaction of ozone with:

    A) \[PbS\]

    B) \[{{H}_{2}}{{O}_{2}}\]

    C) \[S{{O}_{2}}\]

    D) \[KI\]

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  • question_answer59) Conversion of ethyl alcohol into acetaldehyde is an example of:

    A) hydrolysis

    B) oxidation

    C) reduction

    D) molecular rearrangement

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  • question_answer60) Transition elements does not show:

    A) paramagnetism

    B) colour

    C) fixed valency

    D) all the above

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  • question_answer61) The compound known as oil of wintergreen is:

    A) phenyl acetate

    B) phenyl salicylate

    C) methyl salicylate

    D) methyl acetate

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  • question_answer62) Which is not correct?

    A) \[n=2,\text{ }l=0,\text{ }m=-1\]

    B) \[n=2,\text{ }l=1,\text{ }m=0\]

    C) \[n=3,\text{ }l=1,\text{ }m=-1\]

    D) \[n=3,\text{ }l=0,\text{ }m=0\]

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  • question_answer63) Which of the following-is an intensive property?

    A) Density

    B) Volume

    C) Mass

    D) Energy

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  • question_answer64) The pH of the solution obtained by mixing 40 ml of\[0.10\text{ }M\text{ }HCl\]with 10 ml of 0.45 of\[NaOH\]is:

    A) 4

    B) 8

    C) 12

    D) 14

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  • question_answer65) The pairs of bases in DNA are held together by:

    A) ionic bonds

    B) hydrogen bond

    C) phosphate group

    D) deoxyribose group

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  • question_answer66) \[2Ag+2{{H}_{2}}S{{O}_{4}}\to A{{g}_{2}}S{{O}_{4}}+2{{H}_{2}}O+S{{O}_{2}}\] In the above reaction\[{{H}_{2}}S{{O}_{4}}\]acts as a:

    A) catalyst

    B) oxidising agent

    C) reducing agent

    D) acid as well as oxidant

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  • question_answer67) Lyophilic colloids are stable due to:

    A) large size of the particle

    B) small size of the particle

    C) charge on particle

    D) dispersion layer on the particle

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  • question_answer68) Which is not present in chlorophyll?

    A) Carbon

    B) Calcium

    C) Magnesium

    D) Hydrogen

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  • question_answer69) White lead is:

    A) \[PbS{{O}_{4}}-PbO\]

    B) \[PbC{{O}_{3}}-PbO\]

    C) \[PbC{{O}_{3}}\]

    D) \[Pb{{(OH)}_{2}}-2PbC{{O}_{3}}\]

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  • question_answer70) By passing air over red hot coke the gas obtained is:

    A) coal gas

    B) water gas

    C) oil gas

    D) producer gas

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  • question_answer71) The basic unit not present m DNA is:

    A) uracil

    B) adenine

    C) cytosine

    D) guanine

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  • question_answer72) \[{{P}_{4}}{{H}_{10}}\]on treatment with water produce:

    A) hypophosphoric acid

    B) hypophosphorous acid

    C) ortho phosphorous acid

    D) ortho phosphoric acid

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  • question_answer73) The resistance of 1 N solution of acetic acid is 250 ohm, when measured in a cell of cell constant\[1.15\text{ }c{{m}^{-1}}\]. The equivalent conductivity in\[oh{{m}^{-1}}\]cm\[equi{{v}^{-1}}\]1N acetic acid is:

    A) 3.8

    B) 4.6

    C) 9.2

    D) 12.6

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  • question_answer74) \[{{N}_{2(g)}}+3{{H}_{2(g)}}\xrightarrow[{}]{{}}2N{{H}_{3(g)}}\]. For the above reaction the correct statement is:

    A) \[\Delta H<\Delta E\]

    B) \[\Delta H=\Delta E\]

    C) \[\Delta H>\Delta E\]

    D) none of these

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  • question_answer75) The densities of two gases are in the ratio of\[1:16\]. The ratio of their rate of diffusion is:

    A) \[16:1\]

    B) \[1:4\]

    C) \[4:1\]

    D) \[1:16\]

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  • question_answer76) The molecular formula of cryollite is:

    A) \[N{{a}_{2}}F.Al{{F}_{6}}\]

    B) \[N{{a}_{3}}Al{{F}_{6}}\]

    C) \[N{{a}_{3}}Al{{F}_{5}}\]

    D) \[N{{a}_{2}}Al{{F}_{3}}\]

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  • question_answer77) 60 gm of a compound on analysis produce 24 gm carbon, 4 gm hydrogen and 32 gm oxygen. The empirical formula of the compound is:

    A) \[C{{H}_{2}}{{O}_{2}}\]

    B) \[C{{H}_{2}}O\]

    C) \[{{H}_{2}}\]

    D) \[C{{H}_{4}}\]

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  • question_answer78) Both ionic and covalent bond is present in:

    A) \[KCN\]

    B) \[KCl\]

    C) \[{{H}_{2}}\]

    D) \[C{{H}_{4}}\]

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  • question_answer79) On dissolving\[N{{H}_{4}}Cl\]to water the solution becomes cold. This is due to:

    A) exothermic

    B) endothermic

    C) supercooling

    D) none

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  • question_answer80) Hydrolysis of sucrose is:

    A) inversion

    B) hydradon

    C) sappnification

    D) inhibition

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  • question_answer81) \[{{C}_{2}}{{H}_{5}}N{{H}_{2}}\]and\[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]can be best distinguished by:

    A) \[NaOH\]

    B) \[\beta -\]naphthol

    C) \[CHC{{l}_{3}}/KOH\]

    D) Hinsbergs reagent

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  • question_answer82) \[{{C}_{3}}{{H}_{9}}N\]cannot represent:

    A) \[1{}^\circ \] Famine

    B) \[2{}^\circ \]amine

    C) \[3{}^\circ \]amine

    D) quaternary ammonium salt

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  • question_answer83) The function of moderator in a nuclear reactor is:

    A) to produce more neutrons

    B) to stop nuclear reaction

    C) to increase speed of neutron

    D) to slow down speed of neutron

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  • question_answer84) The weight of 112 ml of oxygen at NTP is:

    A) 0.64gm

    B) 0.96gm

    C) 0.32gm

    D) 0.16gm

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  • question_answer85) The pH of pure water at\[80{}^\circ C\]will be:

    A) >7

    B) <7

    C) =7

    D) none

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  • question_answer86) The most acidic oxide is:

    A) \[{{P}_{2}}{{O}_{5}})\]

    B) \[{{N}_{2}}{{O}_{5}}\]

    C) \[S{{b}_{2}}{{O}_{5}}\]

    D) \[A{{S}_{2}}{{O}_{5}}\]

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  • question_answer87) At 400 K sodium phenoxide reacts with\[C{{O}_{2}}\]to produce:

    A) catechol

    B) sodium salicylate

    C) benzoic acid

    D) salicylaldehyde

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  • question_answer88) The concentration units independent of temperature is:

    A) molarity

    B) molality

    C) normality

    D) formality

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  • question_answer89) Sold is an:

    A) antipyretic

    B) analgesics

    C) antiseptic

    D) antibiotic

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  • question_answer90) Which is not a Lewis acid?

    A) \[FeC{{l}_{3}}\]

    B) \[AlC{{l}_{3}}\]

    C) \[SnC{{l}_{4}}\]

    D) \[AlC{{l}_{3}}.6{{H}_{2}}O\]

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  • question_answer91) The reaction in which primary amines is not formed:

    A) \[C{{H}_{3}}NC\xrightarrow[{}]{LiAl{{H}_{4}}}\]

    B) \[C{{H}_{3}}CON{{H}_{2}}\xrightarrow[{}]{LiAl{{H}_{4}}}\]

    C) \[C{{H}_{3}}CN\xrightarrow[{}]{LiAl{{H}_{4}}}\]

    D) \[C{{H}_{3}}CON{{H}_{2}}\xrightarrow[{}]{KOH/B{{r}_{2}}}\]

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  • question_answer92) The reagent used to estimate\[{{I}_{2}}\]volumetrically is:

    A) \[KMn{{O}_{4}}\]

    B) hypo

    C) \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]

    D) none of these

    View Answer play_arrow
  • question_answer93) Aluminium appears like gold when mixed with:

    A) 90% Cu

    B) 75% Ni

    C) 80% Sn

    D) 80% CO

    View Answer play_arrow
  • question_answer94) The abundantly found noble gas in atomosphere is:

    A) \[Kr\]

    B) \[Xe\]

    C) \[He\]

    D) \[Ar\]

    View Answer play_arrow
  • question_answer95) Distribution law was given by:

    A) Ostwald

    B) Nernst

    C) Henery

    D) Vant Hoff

    View Answer play_arrow
  • question_answer96) 8.2 litre of an ideal gas weight 9.0 gm at 300 K and 1 atm pressure. The molecular mass of the gas is:

    A) 9

    B) 18

    C) 27

    D) 36

    View Answer play_arrow
  • question_answer97) Variation of heat of reaction with temperature is known as:

    A) Kirchoffs equation

    B) Vant Hoffs isotherm

    C) Vant Hoffs isochore

    D) none of the above .

    View Answer play_arrow
  • question_answer98) A colloidal solution is subjected to an electric field. The colloidal particles more towards anode. The coagulation of die same solution studied using\[NaCl,BaCl\]and\[AlC{{l}_{3}}\] solutions. The coagulation power is in the order of:

    A) \[BaCl>NaCl>AlC{{l}_{3}}\]

    B) \[NaCl>BaCl>AlC{{l}_{3}}\]

    C) \[AlC{{l}_{3}}>BaCl>NaCl\]

    D) \[NaCl>AlC{{l}_{3}}>BaC{{l}_{2}}\]

    View Answer play_arrow
  • question_answer99) The water soluble compound is:

    A) \[AgI\]

    B) \[AgF\]

    C) \[AgCl\]

    D) \[AgBr\]

    View Answer play_arrow
  • question_answer100) Lithophone is a mixture of:

    A) \[CuS{{O}_{4}}+ZnS\]

    B) \[CaS{{O}_{4}}+ZnS\]

    C) \[BaS{{O}_{4}}+CaS{{O}_{4}}\]

    D) \[BaS{{O}_{4}}+ZnS\]

    View Answer play_arrow
  • question_answer101) Haemoglobin is a:

    A) protein

    B) fibrous protein

    C) globular protein

    D) enzyme

    View Answer play_arrow
  • question_answer102) LPP-lisa:

    A) bacterium

    B) fungus

    C) bacteriophage

    D) cyanophage

    View Answer play_arrow
  • question_answer103) Hormogonia are vegetative reporoductive structures of:

    A) Ulothrix

    B) Oscillatoria

    C) Spirogyra

    D) Chara

    View Answer play_arrow
  • question_answer104) Which of the following organisms are useful in sewage treatment?

    A) Eiiglena

    B) Chlamydomonas

    C) Chlorella

    D) All of these

    View Answer play_arrow
  • question_answer105) In earthworm, self fertilization cannot occur due to:

    A) hypogyny

    B) protogyny

    C) protandry

    D) epigyny

    View Answer play_arrow
  • question_answer106) Insectivorous plants can survive in:

    A) nitrogen deficient soils

    B) carbonate deficient soils

    C) soil rich in water and minerals

    D) soil deficient in carbon

    View Answer play_arrow
  • question_answer107) Coleoptile is:

    A) covering of root

    B) covering of floral bud

    C) covering of plumule

    D) covering of seed

    View Answer play_arrow
  • question_answer108) Tocopherol stands for:

    A) vitamin A

    B) vitamin B complex

    C) vitamin E

    D) vitamin C

    View Answer play_arrow
  • question_answer109) Which of the following is characteristic feature of fishes?

    A) venous heart and gills

    B) epidermal scales

    C) epidermal gills

    D) tail and heart

    View Answer play_arrow
  • question_answer110) Territoriality occurs as a result of:

    A) predation

    B) competition

    C) parasitism

    D) cooperation

    View Answer play_arrow
  • question_answer111) Who proposed mutation theory of evolution?

    A) Lamarck

    B) Darwin

    C) Hugo de Vries

    D) Wiesmann

    View Answer play_arrow
  • question_answer112) Mosquito:

    A) omnivors

    B) sanguivores

    C) frugivores

    D) carrion eater

    View Answer play_arrow
  • question_answer113) Goiter is caused due to deficiency of:

    A) vitamin D

    B) vitamin C

    C) iodine

    D) iron

    View Answer play_arrow
  • question_answer114) The terminal end of a chromosome is called:

    A) metamere

    B) telomere

    C) centromere

    D) basal granule

    View Answer play_arrow
  • question_answer115) The main function of Henles loop is:

    A) conservation of water

    B) passage of urine

    C) filteration of blood

    D) absorption of nutrients

    View Answer play_arrow
  • question_answer116) Regeneration of tail in lizard is an example of:

    A) morphogenesis

    B) parthenogenesis

    C) epimorphosis

    D) heteromorphosis

    View Answer play_arrow
  • question_answer117) The chemical substances produced by host plants to protect themselves against fungal infection is:

    A) pathogen

    B) phytotoxin

    C) phytoalexin

    D) phytohormone

    View Answer play_arrow
  • question_answer118) Clad odes are found in:

    A) Opuntia

    B) Asparagus

    C) Riiscus

    D) Ficus

    View Answer play_arrow
  • question_answer119) In\[{{C}_{4}}\]plants, the first\[C{{O}_{2}}\]acceptor is:

    A) pyruvate

    B) phosphoenol pyruvate

    C) ribulose biphosphate

    D) ribulose phosphate

    View Answer play_arrow
  • question_answer120) The sound producing organ in birds is:

    A) Glothis

    B) larynx

    C) syrinx

    D) oesophagus

    View Answer play_arrow
  • question_answer121) Lymphoid tissue is found in:

    A) thymus

    B) tonsils

    C) lymph nodes

    D) all of the above

    View Answer play_arrow
  • question_answer122) The symbiotic association of fungus and alga is called:

    A) mycorrhiza

    B) lichen

    C) exomycorrhiza

    D) endomvcorrhiza

    View Answer play_arrow
  • question_answer123) Veiamen is found in:

    A) aerial root of orchid

    B) clinging root of orchid

    C) leaf of orchid

    D) leaf of angiosperm

    View Answer play_arrow
  • question_answer124) In moss, the middle sterile part of capsule is called:

    A) foot

    B) protonema

    C) columella

    D) spore case

    View Answer play_arrow
  • question_answer125) In Cycas, endosperm is:

    A) diploid

    B) triploid

    C) polyploid

    D) haploid

    View Answer play_arrow
  • question_answer126) Peyers patches produce:

    A) mucous

    B) trypsin.

    C) lymphocytes

    D) enterokinase

    View Answer play_arrow
  • question_answer127) The life span of thrombocyte is:

    A) 3-7 days

    B) 3-4 weeks

    C) 4-5 weeks

    D) none of these

    View Answer play_arrow
  • question_answer128) The term protobiogenesis used for theory of:

    A) panspermia

    B) special creation

    C) biochemical origin of life

    D) spontaneous generation

    View Answer play_arrow
  • question_answer129) The dominant animal of mesozoic era was:

    A) Climatius

    B) Plesiosaurus

    C) Ceratodiis

    D) Latimeria

    View Answer play_arrow
  • question_answer130) The cavity of gastrula is called:

    A) blastocoel

    B) coelom

    C) archanteron

    D) haemocoel

    View Answer play_arrow
  • question_answer131) Most important use of earthworm is:

    A) to catch fish

    B) to make soil porous and fertile

    C) to make soil more saline

    D) to make dish

    View Answer play_arrow
  • question_answer132) In which of the following animal, circulatory system is not involved in gas transport:

    A) trout

    B) mouse

    C) dragonfly

    D) sparrow

    View Answer play_arrow
  • question_answer133) Osphredium of Pila globosa is a:

    A) photoreceptor

    B) thermoreceptor

    C) tangoreceptor

    D) chemoreceptor

    View Answer play_arrow
  • question_answer134) Spindle fibres are made up of:

    A) actin

    B) myosin

    C) collagen

    D) tubulin

    View Answer play_arrow
  • question_answer135) Cristae of mitochondria help in:

    A) respiration

    B) transpiration

    C) photooxidation

    D) photosynthesis

    View Answer play_arrow
  • question_answer136) Which of the following is a sesamoid bone?

    A) Patella

    B) palatine

    C) pterygoid

    D) presphenoid

    View Answer play_arrow
  • question_answer137) Which of the following cranial nerve purely motor?

    A) vagus

    B) trigeminal

    C) facial

    D) spinal accessory

    View Answer play_arrow
  • question_answer138) Auxanometer is used to measure:

    A) length

    B) ascept of sap

    C) toot pressure

    D) respiration

    View Answer play_arrow
  • question_answer139) The study related to the structure and functions of cells is called as:

    A) palynology

    B) histology

    C) anatomy

    D) cytology

    View Answer play_arrow
  • question_answer140) Antiviral substance is:

    A) antibody

    B) antigen

    C) interferpn

    D) all of the above

    View Answer play_arrow
  • question_answer141) Lomentumisa:

    A) infloresence

    B) seed

    C) fruit

    D) flower

    View Answer play_arrow
  • question_answer142) Who discovered penicillin?

    A) Waksman

    B) Darwin

    C) Alexander Fleming

    D) Benzman

    View Answer play_arrow
  • question_answer143) Aspergillosis is caused by Aspergillns. Which of the following part is involved in this disease?

    A) heart

    B) brain

    C) lung

    D) skin

    View Answer play_arrow
  • question_answer144) Which of the following is a unicellular fungus?

    A) Yeast

    B) Acetabiilaria

    C) E. coli

    D) All of the above

    View Answer play_arrow
  • question_answer145) Choanocytes perform:

    A) excretion

    B) reproduction

    C) nutrition

    D) secretion

    View Answer play_arrow
  • question_answer146) A condition of failure of kidney to form urine is:

    A) hematuria

    B) creatinum

    C) ketouria

    D) aneuria

    View Answer play_arrow
  • question_answer147) Root hairs originates from:

    A) cortex

    B) hyperdermis

    C) pericycle

    D) epidermis

    View Answer play_arrow
  • question_answer148) Radial bundles are found in:

    A) stem of angiosperms

    B) root of angiosperms

    C) monocot stem

    D) dicotstem

    View Answer play_arrow
  • question_answer149) Binomial nomenclature indicates:

    A) genus and species

    B) genus and family

    C) phylum and genus

    D) species and subspecies

    View Answer play_arrow
  • question_answer150) Which of the following is an excretory organ in Mollusca?

    A) nephridia

    B) flame cells

    C) kebers organ

    D) malphigian organ

    View Answer play_arrow
  • question_answer151) The structure of DNA is:

    A) triple helix

    B) single helix

    C) double helix

    D) none of these

    View Answer play_arrow
  • question_answer152) Who discovered double fertilization?

    A) R. Brown

    B) R.Koch

    C) Strassburger

    D) Nawaschin

    View Answer play_arrow
  • question_answer153) Tube feets are found in:

    A) Echinoderms

    B) Arthropoda

    C) Mollusca

    D) Annelida

    View Answer play_arrow
  • question_answer154) Bone is connected to muscle with the help of:

    A) tendon

    B) ligament

    C) cartilage

    D) none of these

    View Answer play_arrow
  • question_answer155) The contraction of gall bladder is due to:

    A) secretin

    B) cholecystokinin

    C) entergastrone

    D) gastris

    View Answer play_arrow
  • question_answer156) Transposon was discovered by:

    A) Sutton

    B) B. McClintock

    C) Watson and Crick

    D) N. Ehle

    View Answer play_arrow
  • question_answer157) Plasmids are found in:

    A) yeast

    B) cyanobacteria

    C) bacteria

    D) Acetabularia

    View Answer play_arrow
  • question_answer158) Grams staining was introduced by:

    A) Christian Gram

    B) T. Gram

    C) Pasteur

    D) A. Fleming

    View Answer play_arrow
  • question_answer159) Rabies is a:

    A) fungal disease

    B) bacterial disease

    C) viral disease

    D) environmental disease

    View Answer play_arrow
  • question_answer160) The nuclear material of T.M.V. is:

    A) DNA

    B) RNA

    C) both a and b

    D) none of these

    View Answer play_arrow
  • question_answer161) The term antibiotic was coined by:

    A) Fleming

    B) Waksman

    C) Darwin

    D) Fohn

    View Answer play_arrow
  • question_answer162) Transpiration is a necessary evil, this statement belongs to:

    A) Burgerstein

    B) Reschke

    C) Curtis

    D) Willmer

    View Answer play_arrow
  • question_answer163) Nodules with nitrigen fixing bacteria are found in the roots of:

    A) wheat

    B) mustard

    C) cotton

    D) gram

    View Answer play_arrow
  • question_answer164) Who discovered auxin?

    A) Went

    B) Lethan

    C) Miller

    D) Fischer

    View Answer play_arrow
  • question_answer165) Hypothetical plant hormones are:

    A) florigen

    B) venalin

    C) florigen and vemalin

    D) none

    View Answer play_arrow
  • question_answer166) Coiling of tendril around base is due to:

    A) thigmotropism

    B) phototropism

    C) geotropism

    D) chemotropism

    View Answer play_arrow
  • question_answer167) Who performed experiments on Chlorela to study photosynthesis?

    A) R. Hill

    B) Warburg

    C) Blackmann

    D) Mortenson

    View Answer play_arrow
  • question_answer168) Who coined the term chemiosmosis?

    A) P. Mitchell

    B) Hill

    C) Priestley

    D) Calvin

    View Answer play_arrow
  • question_answer169) The complete enzyme is called:

    A) apoenzyme

    B) cofactcr

    C) prosthetic group

    D) holoenzyme

    View Answer play_arrow
  • question_answer170) Zymase was discovered by:

    A) Buchner

    B) Fischer

    C) Kuhne

    D) Koshland

    View Answer play_arrow
  • question_answer171) Which of the following surrounds the vacuole?

    A) Cell wall

    B) Mucopep tide layer

    C) Tonoplast

    D) Murein layer

    View Answer play_arrow
  • question_answer172) Lomasomes are found in:

    A) algal cell

    B) bacterial cell

    C) cyanobacterial cell

    D) fungal cell

    View Answer play_arrow
  • question_answer173) Clover leaf model belongs to:

    A) \[t-RNA\]

    B) DNA

    C) centriole

    D) flagella

    View Answer play_arrow
  • question_answer174) Krebs7 cycle occurs in:

    A) chloroplast

    B) cytoplasm

    C) mitochondria

    D) grana

    View Answer play_arrow
  • question_answer175) Savannah is:

    A) grass land with scattered trees

    B) part of ocean

    C) part of tropical forest

    D) alpine forest

    View Answer play_arrow
  • question_answer176) Vegetation of tundra consists of:

    A) mosses

    B) sedges

    C) grasses

    D) all of the above

    View Answer play_arrow
  • question_answer177) The term biocoenosis was first of all used by:

    A) Forbes

    B) Mobius

    C) Reiter

    D) Lindmann

    View Answer play_arrow
  • question_answer178) Renewable resources are:

    A) forest

    B) wild life

    C) aquatic life

    D) all of the above

    View Answer play_arrow
  • question_answer179) Paul Millar discovered:

    A) B.H.C.

    B) D.D.T.

    C) Rotenone

    D) Silicosis

    View Answer play_arrow
  • question_answer180) World environment day is celebrated on.

    A) 28th February

    B) 5th June

    C) 16th September

    D) 15th October

    View Answer play_arrow
  • question_answer181) Terminating codons are:

    A) UAG

    B) UAA

    C) UGA

    D) all of the above

    View Answer play_arrow
  • question_answer182) Hydra captures the prey by injecting the chemical:

    A) toxoplasmin

    B) hypnotoxin

    C) kaliotoxin

    D) Sarafotoxin

    View Answer play_arrow
  • question_answer183) Leydig cells secrete:

    A) estrogen

    B) testosterone

    C) progesterone

    D) corticosterone

    View Answer play_arrow
  • question_answer184) The edible part of coconut:

    A) Epicarp

    B) mesocarp

    C) endocarp

    D) endosperm

    View Answer play_arrow
  • question_answer185) Larva of house fly lacks:

    A) eyes

    B) wings

    C) both a and b

    D) none of these

    View Answer play_arrow
  • question_answer186) Bat belongs to:

    A) chiroptera

    B) dermoptera

    C) edentats

    D) insectivore

    View Answer play_arrow
  • question_answer187) Protein, maintaining osmotic concentration of blood plasma isotonic with liter cellular body fluid and help in transport of\[{{O}_{2}},\]is:

    A) actin

    B) haemoglobin

    C) myoglobin

    D) myosin

    View Answer play_arrow
  • question_answer188) Melanin is a:

    A) pigment

    B) hormone

    C) enzyme

    D) waste substances

    View Answer play_arrow
  • question_answer189) Reproduction in Pcimrnnecnim is controlled by:

    A) micronucleus

    B) macronucleus

    C) cell wall

    D) flagella

    View Answer play_arrow
  • question_answer190) The egg case in female cockroach is formed by secretions of:

    A) collaterial gland

    B) conglobate gland

    C) prothoracic gland

    D) mushroom gland

    View Answer play_arrow
  • question_answer191) The type of veretebrae in sub order ophidia is:

    A) acoelous

    B) amphicoelous

    C) procoelous

    D) heterocoelous

    View Answer play_arrow
  • question_answer192) ABA is involved in:

    A) shoot elongation

    B) root elongation

    C) dormancy of seeds

    D) increase in cell division

    View Answer play_arrow
  • question_answer193) Balbiani rings are found in:

    A) polysomes

    B) autosomes

    C) polytenic chromosomes

    D) sex chromosomes

    View Answer play_arrow
  • question_answer194) The cytoplasmic units of inheritance are called as:

    A) genome

    B) lethal gene

    C) plasmagenes

    D) all of the above

    View Answer play_arrow
  • question_answer195) Acetabularia used in nucleocytoplasmic experiments by Hammerling, is:

    A) unicellular, uninucleate green alga

    B) unicellular, anucleates blue-green alga

    C) multicellular, multinucleate green alga

    D) multicellular, uninucleate green alga

    View Answer play_arrow
  • question_answer196) Bateson and Punnet (1909) discovered linkage while working on:

    A) Pisum saHvimi

    B) Latli yrus odoratus

    C) Drosoplula nielanogasfer

    D) Lychiins alba

    View Answer play_arrow
  • question_answer197) Maximum chromosome number (631) in haploid cell is found in:

    A) Dog

    B) Ophioglossiim

    C) Allium

    D) Cat

    View Answer play_arrow
  • question_answer198) The largest corpuscles in mammalian blood is:

    A) monocytes

    B) erythrocytes

    C) lymphocytes

    D) basophils

    View Answer play_arrow
  • question_answer199) Gastric juice secreted in stomach of men contains the enzymes:

    A) trypsin, rennin, lipase

    B) pepsin, trypsin, rennin

    C) pepsin, rennin, lipase

    D) gastric, pepsin, rennin

    View Answer play_arrow
  • question_answer200) Brunners glands and crypts of Lieberkuhn are situated in the:

    A) mucosa of intestine

    B) mucosa of duodenum

    C) mucosa of stomach

    D) mucosa of pancreas

    View Answer play_arrow
  • question_answer201) Directions: In each of the following questions one word in caps letters is followed by four words. Choose the word or phrase nearest in meaning: INSOLVENT:

    A) instalment

    B) bankrupt

    C) disastrous

    D) deficient

    View Answer play_arrow
  • question_answer202) Directions: In each of the following questions one word in caps letters is followed by four words. Choose the word or phrase nearest in meaning: BLASPHEMOUS:

    A) enormous

    B) profane

    C) insane

    D) sceptic

    View Answer play_arrow
  • question_answer203) Directions: In each of the following questions one word in caps letters is followed by four words. Choose the word or phrase nearest in meaning: FASCINATE:

    A) impress

    B) express

    C) suppress

    D) attract

    View Answer play_arrow
  • question_answer204) Directions: In each of the following questions one word in caps letters is followed by four words. Choose the word or phrase nearest in meaning: ARROGANT:

    A) shy

    B) shameful

    C) superior

    D) proud

    View Answer play_arrow
  • question_answer205) Directions: In each of the following questions one word in caps letters is followed by four words. Choose the word or phrase nearest in meaning: ORDINARY:

    A) common

    B) uncommon

    C) primary

    D) ordinary

    View Answer play_arrow
  • question_answer206) Directions: In each of the following questions one word in caps letters is followed by four words. Choose the word or phrase nearest in meaning: ANONYMOUS:

    A) generous

    B) well-known

    C) famous

    D) unknown

    View Answer play_arrow
  • question_answer207) Directions: In each of the following questions one word in caps letters is followed by four words. Choose the word or phrase nearest in meaning: FERVOUR:

    A) anger

    B) pride

    C) passion

    D) compassion

    View Answer play_arrow
  • question_answer208) Directions: In each of the following questions find out which part of the sentence has an error. If there is no mistake the answer is no error.

    A) I fell of my bicycle

    B) When I was there and

    C) I still have a scar on my knee

    D) No error

    View Answer play_arrow
  • question_answer209) Directions: In each of the following questions find out which part of the sentence has an error. If there is no mistake the answer is no error.

    A) I have

    B) five

    C) ten-rupees

    D) notes

    View Answer play_arrow
  • question_answer210) Directions: In each of the following questions find out which part of the sentence has an error. If there is no mistake the answer is no error.

    A) Ravi told me

    B) that his wife was ill

    C) for fifteen days

    D) No error

    View Answer play_arrow
  • question_answer211) Directions: In each of the following questions find out which part of the sentence has an error. If there is no mistake the answer is no error.

    A) I have

    B) not

    C) yet taken

    D) my meals

    View Answer play_arrow
  • question_answer212) Directions: In each of the following questions find out which part of the sentence has an error. If there is no mistake the answer is no error.

    A) He is not happy

    B) because he is getting

    C) a less salary

    D) No error

    View Answer play_arrow
  • question_answer213) Directions: In each of the following questions find out which part of the sentence has an error. If there is no mistake the answer is no error.

    A) Ravi and

    B) I cannot

    C) bear

    D) your separation

    View Answer play_arrow
  • question_answer214) Directions: In each of the following questions find out which part of the sentence has an error. If there is no mistake the answer is no error.

    A) ten new members

    B) have been enrolled

    C) and seven resigned

    D) No error

    View Answer play_arrow
  • question_answer215) It is high time you must leam to behave properly:

    A) learned

    B) will learn

    C) should learn

    D) no improvement

    View Answer play_arrow
  • question_answer216) I am use to hard work:

    A) work hard

    B) work hardly

    C) hard working

    D) No improvement

    View Answer play_arrow
  • question_answer217) I must has forgotten to switch off the light:

    A) forget

    B) have forget

    C) have forgotten

    D) No improvement

    View Answer play_arrow
  • question_answer218) If I was God I should eliminate all sufferings:

    A) am

    B) were

    C) been

    D) No improvement

    View Answer play_arrow
  • question_answer219) I knew Mr. Kumar since 1981:

    A) I have been knowing

    B) know

    C) have known

    D) No improvement

    View Answer play_arrow
  • question_answer220) Please blow up the candle:

    A) turn off

    B) blow off

    C) put off

    D) No improvement

    View Answer play_arrow
  • question_answer221) In which year the. Life Insurance Corporation of India was established?

    A) 1964

    B) 1963

    C) 1956

    D) 1949

    View Answer play_arrow
  • question_answer222) Hieun Tsang- came in India in the reign

    A) Chandragupta Mauraya

    B) Harsh

    C) Ashoka

    D) Kanishka

    View Answer play_arrow
  • question_answer223) Which state is the highest producer of cotton in India?

    A) Maharashtra

    B) Uttar Pradesh

    C) Tamil Nadu

    D) Gujarat

    View Answer play_arrow
  • question_answer224) Which country is known as the Playground of Europe?

    A) Germany

    B) Spain

    C) Denmark

    D) Switzerland

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  • question_answer225) In which year OPEC was constituted?

    A) 1960

    B) 1965

    C) 1966

    D) 1967

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  • question_answer226) Who wrote the famous book Urvashi?

    A) Bishnu Dev

    B) Yogesh Chaddha

    C) Munshi Prem Chand

    D) Ramdhari Singh Dinkar.

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  • question_answer227) The name of the first newspaper in India was:

    A) Times of India

    B) Bengal Gazette

    C) Hindustan Times

    D) Bombay Samachar

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  • question_answer228) In which country the largest temple of world is situated?

    A) India

    B) Cambodia

    C) Bhutan

    D) Nepal

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  • question_answer229) In which year National School of Drama (NSD) was set up?

    A) 1960

    B) 1959

    C) 1970

    D) 1976

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  • question_answer230) Which article of constitution bans untouchability?

    A) Art. 14

    B) Art. 15

    C) Art. 16

    D) Art. 17

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  • question_answer231) The solution of equation\[x-y=0\]and

    A) \[x=2\]and\[y=2\]

    B) \[x=-2\]and \[y=1\]

    C) \[x=-1\]and \[y=2\]

    D) \[x=2\]and\[y=-1\]

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  • question_answer232) lf\[A=\frac{x+1}{x-1},\]the the value of\[A-\frac{1}{A}\]is:

    A) \[\frac{1}{{{x}^{2}}-1}\]

    B) \[\frac{4x}{{{x}^{2}}-1}\]

    C) \[\frac{x}{x-1}\]

    D) \[\frac{x}{{{x}^{2}}-1}\]

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  • question_answer233) In equilateral triangle of. side 2a, the length of its altitude will be:

    A) \[a\sqrt{3}\]

    B) \[a\]

    C) \[3a\]

    D) \[{{a}^{2}}\]

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  • question_answer234) A car covers 420 km with a constant speed If its speed were 10 km/h more it would have taken one hour less to cover the distance. The speed of the car is:

    A) 60

    B) 70

    C) 80

    D) 120

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  • question_answer235) A merchant lent out Rs. 1,000 in two parts one at 8% and the other at 10% interest. The yearly averge comes out to be 9.2% .The amount lent in two parts is:

    A) 400, 800

    B) 400, 600

    C) 700, 800

    D) 900, 1000

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  • question_answer236) Melt is related to -Liquid in the same way Freeze is related to:

    A) Ice

    B) Crystal

    C) Water

    D) Cubes

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  • question_answer237) Find out the wrong number \[864,\,\,420,\,\,200,\,\,96,\,\,40,\,\,16,\,\,6\]

    A) 420

    B) 200

    C) 96

    D) 40

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  • question_answer238)

    A) 4

    B) 8

    C) 20

    D) 14

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  • question_answer239)

    (i) Some cars are trains
    (ii) Some trains are cats.
    (I) No car is cat
    (II) Some cats are trains
    (III) Some cars are cats
    (IV) All trains are cars

    A) only either I or II or III follows

    B) only either I or III and II follows

    C) only either I or III follows

    D) only I, II and III follows

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  • question_answer240) Consider the venn diagram given below: The number in the venn diagram indicates the number of persons reading the newspaper. The diagram is drawn after surveying 50 persons. In a population of 10,000 how many can be expected to seed at least two newspaper?

    A) 5000

    B) 5400

    C) 6000

    D) 6250

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